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Math, engineering and science-related professions remain male-dominated fields, and the assumption has long been that gender discrimination plays a role. But a new study by Stephen J. Ceci and Wendy M. Williams, both professors at Cornell University, reviews 20 years of research on the dearth of women in academia in these math-intensive disciplines, and finds that overt discrimination against women is a thing of the past.

The existence of such differences, and their extent, has been a subject of much debate, but the authors of the new report, led by Marco Del Giudice of the University of Turin in Italy, describe a new method for measuring and analyzing personality differences that they argue is more accurate than previous methods.

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Testosterone makes people behave badly, but only because of our own prejudices about its effect, not its true biological action, scientists said on Tuesday.

A Swiss and British study found evidence that debunks the myth that testosterone causes aggressive, egocentric behavior, suggesting instead that the sex hormone can encourage fair play -- particularly if it improves a person's status.

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Testosterone (T) is thought to play a key role in male–male competition and courtship in many vertebrates, but its precise effects are unclear. We explored whether courtship behaviour in humans is modulated and preceded by changes in T. Pairs of healthy male students first competed in a non-physical contest in which their T levels became elevated. Each participant then had a short, informal interaction with either an unfamiliar man or woman. The sex of the stimulus person did not affect the participants' behaviour overall.

Women are generally more risk averse than men. We investigated whether between- and within-gender variation in financial risk aversion was accounted for by variation in salivary concentrations of testosterone and in markers of prenatal testosterone exposure in a sample of > 500 MBA students. Higher levels of circulating testosterone were associated with lower risk aversion among women, but not among men.